4. A certain material which is 12 m long vertically hanging and supports a load of 2100 N, determine the required diameter if the stress will not exceed 150 MPa( Mega Pascal) and the total elongation will not exceed 6 mm. Assume E= 200 GPa(Giga Pascal).

4. A certain material which is 12 m long vertically hanging and supports a load of 2100 N, determine the required diameter if the stress will not exceed 150 MPa( Mega Pascal) and the total elongation will not exceed 6 mm. Assume E= 200 GPa(Giga Pascal).

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter14: Static Equilibrium, Elasticity, And Fracture

Section: Chapter Questions

Problem 57PQ: A copper rod with length 1.4 m and cross-sectional area 2.0 cm2 is fastened to a steel rod of length...

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Concept explainers

Mechanical Properties of Solids

There are three types of matter- solid, liquid and gas. Out of them, solids have a rigid shaped and size. The intermolecular forces of attractions in solids are greatest. Mechanical properties are the physical properties of a material which it shows, when it is provided with certain amount of force or load. These properties are to be kept in mind for various purposes. When a force is applied to an object, the object may or may not get deformed depending upon its elastic property. But every time the object develops a restoring force against the force applied. This is commonly known as stress. If the object changes its dimensions due to the force applied it develops strain ( which is the ratio of change in dimension to the original dimension).

Question

4. A certain material which is 12 m long vertically hanging and supports
a load of 2100 N, determine the required diameter if the stress will not
exceed 150 MPa( Mega Pascal) and the total elongation will not exceed
6 mm. Assume E= 200 GPa(Giga Pascal).

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